The term ‘refractory metal’ is used to describe a group of metal elements that have exceptionally high melting points and are resistant to wear, corrosion, and deformation.
Industrial uses of the term refractory metal most often refer to five commonly used elements:
The identifying feature of refractory metals is their resistance to heat. The five industrial refractory metals all have melting points in excess of 3632°F (2000°C).
3 Primary Uses Of Tungsten The melting point of tungsten is the highest among all metallic elements, and its density (19.3 g / cm³) is very high, close to gold. The hardness of tungsten is also very high, and the hardness of tungsten carbide is close to that of the diamond. In addition, tungsten has good […]
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How Is A Tungsten Crucible Made? A tungsten crucible is one of the products of the tungsten metal. As the melting point of tungsten is as high as 3410℃, the tungsten crucibles can be divided into spinning, stamping, forging and sintering according to different manufacturing processes. Spinning Tungsten Crucible It refers to the tungsten crucible […]
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What Are the Main Uses of Tungsten Wire? Want to know the main uses of tungsten wire? You’ve come to the right place. In this article, we will introduce 5 main uses of the tungsten wire in the modern industry. Tungsten is the most widely used refractory metal. It’s melting point is 3410℃, so it still […]
How Does Tungsten Power the Aerospace Industry? Tungsten is the most heat-resistant metal, and it has the highest density and strength of refractory metals. Tungsten alloys with alloying elements have good wear resistance, corrosion resistance, electrical conductivity, and thermal conductivity. In this article, we will take a look at how does tungsten power the aerospace […]
Tungsten Metal Has Facilitated The Development Of The Aerospace Industry Space, once the arena of great power rivalry, now depends on international co-operation for its costly endeavor. The aerospace industry represents the economic, military and technological level of a country, and is also an important symbol of a country’s comprehensive national strength and national defense […]
What Can Rhenium Be Used For? Rhenium is classified as a scarce refractory metal. It has the second-highest melting point of any of the metals and has a relatively high density. Rhenium is produced as a powder from molybdenite, which also contains rhenium sulfide. The rhenium powder is consolidated by pressing and resistance sintering in […]
The List Of Abundant Refractory Metals Tungsten, tantalum, molybdenum, columbium, vanadium, and chromium may be classed as relatively abundant refractory metals; that is, free world reserves of contained metal are over 100,000 tons for each metal. The first four show promise in a considerably higher temperature range than the last two, and sometimes the term […]
Which Elements Have the Highest Melting Point? As we all know, the melting point is the temperature at which substance converts from solid-state to liquid state. Some of the metals show very high melting points at least 2,000 degrees Celsius, and they also have very high physical strength. These metals are named as refractory metals. […]
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More than 350 years ago, porcelain makers in China incorporated a unique peach colour into their designs by means of a tungsten pigment that was not known in the West. Indeed it was not for another century that chemists in Europe became aware of it. In 1779, Peter Woulfe examined a mineral from Sweden and […]
What Is Rhenium Metal Powder Used to Make? Only tungsten and carbon have higher melting points. Rhenium has good wear resistance and it can withstand arc corrosion. It is soluble in nitric and sulphuric acids. Applications for the metal include its use as an alloying element with tungsten. The rhenium powder is a light-gray metal […]
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